"macra-" meaning in Irish

{
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "grc",
        "3": "μακρός",
        "4": "",
        "5": "long"
      },
      "expansion": "Ancient Greek μακρός (makrós, “long”)",
      "name": "der"
    },
    {
      "args": {
        "1": "ga",
        "2": "ine-pro",
        "3": "*mh₂ḱrós"
      },
      "expansion": "Proto-Indo-European *mh₂ḱrós",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μακρός (makrós, “long”), from Proto-Indo-European *mh₂ḱrós.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ga-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "macra-",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "mhacra-",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    },
    {
      "form": "-",
      "source": "mutation",
      "tags": [
        "eclipsis",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "prefix"
      },
      "expansion": "macra-",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "ga-mut"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Irish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "macro-balance",
          "tags": [
            "feminine"
          ],
          "word": "macraimheá"
        },
        {
          "english": "macroscopic",
          "tags": [
            "adjective"
          ],
          "word": "macrascópach"
        },
        {
          "english": "macrosporangium",
          "tags": [
            "masculine"
          ],
          "word": "macraspóragán"
        },
        {
          "english": "macrospore",
          "tags": [
            "masculine"
          ],
          "word": "macraspór"
        },
        {
          "english": "macroeconomics",
          "tags": [
            "feminine"
          ],
          "word": "maicreacnamaíocht"
        }
      ],
      "glosses": [
        "macro-"
      ],
      "id": "en-macra--ga-prefix-TY9Zwj3G",
      "links": [
        [
          "macro-",
          "macro-"
        ]
      ],
      "synonyms": [
        {
          "english": "used before a slender consonant",
          "word": "macrai-"
        },
        {
          "english": "used before a broad vowel",
          "word": "macr-"
        },
        {
          "english": "used before a slender vowel",
          "word": "maicr-"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "macra-"
}

{
  "derived": [
    {
      "english": "macro-balance",
      "tags": [
        "feminine"
      ],
      "word": "macraimheá"
    },
    {
      "english": "macroscopic",
      "tags": [
        "adjective"
      ],
      "word": "macrascópach"
    },
    {
      "english": "macrosporangium",
      "tags": [
        "masculine"
      ],
      "word": "macraspóragán"
    },
    {
      "english": "macrospore",
      "tags": [
        "masculine"
      ],
      "word": "macraspór"
    },
    {
      "english": "macroeconomics",
      "tags": [
        "feminine"
      ],
      "word": "maicreacnamaíocht"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ga",
        "2": "grc",
        "3": "μακρός",
        "4": "",
        "5": "long"
      },
      "expansion": "Ancient Greek μακρός (makrós, “long”)",
      "name": "der"
    },
    {
      "args": {
        "1": "ga",
        "2": "ine-pro",
        "3": "*mh₂ḱrós"
      },
      "expansion": "Proto-Indo-European *mh₂ḱrós",
      "name": "der"
    }
  ],
  "etymology_text": "From Ancient Greek μακρός (makrós, “long”), from Proto-Indo-European *mh₂ḱrós.",
  "forms": [
    {
      "form": "no-table-tags",
      "source": "mutation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ga-mut",
      "source": "mutation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "macra-",
      "source": "mutation",
      "tags": [
        "mutation",
        "mutation-radical"
      ]
    },
    {
      "form": "mhacra-",
      "source": "mutation",
      "tags": [
        "lenition",
        "mutation"
      ]
    },
    {
      "form": "-",
      "source": "mutation",
      "tags": [
        "eclipsis",
        "mutation"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ga",
        "2": "prefix"
      },
      "expansion": "macra-",
      "name": "head"
    }
  ],
  "inflection_templates": [
    {
      "args": {},
      "name": "ga-mut"
    }
  ],
  "lang": "Irish",
  "lang_code": "ga",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Irish entries with incorrect language header",
        "Irish lemmas",
        "Irish prefixes",
        "Irish terms derived from Ancient Greek",
        "Irish terms derived from Proto-Indo-European"
      ],
      "glosses": [
        "macro-"
      ],
      "links": [
        [
          "macro-",
          "macro-"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "english": "used before a slender consonant",
      "word": "macrai-"
    },
    {
      "english": "used before a broad vowel",
      "word": "macr-"
    },
    {
      "english": "used before a slender vowel",
      "word": "maicr-"
    }
  ],
  "word": "macra-"
}